Propuesta de ruta de degradación del BPA durante la reacción del ozono
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Keywords

bisfenol A
flujo-detenido
vías de degradación
ozonación
GC-MS
compuestos
degradación bisphenol A
stopped-flow
degradation pathway
ozonation
GC-MS
compounds
ozone
degradation

How to Cite

Vallejo Rodríguez, R., San Juan Farfán , R. E., León Becerril, E., Ojeda Castillo, V., Osuna Laveaga, D., & Flores Payán, V. (2023). Propuesta de ruta de degradación del BPA durante la reacción del ozono. Nova Scientia, 15(30), 1–15. https://doi.org/10.21640/ns.v15i30.3215

Abstract

Endocrine-disrupting compounds (EDC) are present in surface water bodies that supply water to the population. One of them is bisphenol A (BPA), which is listed as a carcinogen. This research addresses its degradation through the ozone reaction and presents a likely pathway established by analyzing products and degradation products using gas chromatography-mass spectrometry (GC-MS). BPA degradation was carried out under pseudo-first-order conditions, where liquid phase ozone was the limiting reactive, in doses of ≈2.29 × 10-4 M and BPA doses of 1.25 × 10-4, 17.5 × 10-4, and 35.0 × 10-4 M, looking to have molar ratios [BPA]> [O3]; the oxidation reaction was carried out in a stopped-flow system that allows obtaining results in the order of seconds. The degradation pathway obtained shows the rupture of one of the benzene rings, decreasing the phenolic toxicity of the BPA compound. The proposed pathway can contribute to the understanding of the degradation of BPA in the environment and tertiary treatment processes with the use of ozone. Likewise, it is intended to contribute with new data to the issues of drinking water treatment to offer safe water to the population.

https://doi.org/10.21640/ns.v15i30.3215
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